Finding the Fourth Proportional to 11,874,749.44, 16,387,160.32 and 6,442,240
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Solution
The fourth proportional to 11,874,749.44, 16,387,160.32 and 6,442,240 is: 8,890,294.51
Step by Step Solution
- Step 1: Write the proportion equation
11,874,749.44 : 16,387,160.32 = 6,442,240 : x - Step 2: Convert to fraction form
11,874,749.44/16,387,160.32 = 6,442,240/x - Step 3: Cross multiply
11,874,749.44x = 16,387,160.32 × 6,442,240 - Step 4: Simplify right side
11,874,749.44x = 105,570,019,699,916.80 - Step 5: Solve for x
x = 105,570,019,699,916.80/11,874,749.44 - Step 6: Final answer
x = 8,890,294.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.